173 kmTrail🇬🇧 Coverack, United Kingdom

Arc of Attrition 100

Friday, 22 January 2027In 3 months · Start 13:00

A winter 100-miler on the South West Coast Path around the tip of Cornwall, from Coverack past Land's End to Perranporth, much of it in darkness.

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Facts checked 10 Oct 2026 against arcofattrition.utmb.world, in.register-utmb.world.

Elevation gain

5,507 m

Mountain · ↓ 5,430 m

Start altitude

32 m

above sea level, from terrain data

Temp at start

9°C

Peaks around 9°C

Entry fee

≈ $395

Open entry

Finishers

—

typical year

Course

Point to point

37h cut-off

Getting thereFly into CWL (Cardiff), about 196 km from the start

Course map

A detailed route is not available for this race yet. The marker shows the race location.

Elevation profile

Mountain: about 5,507 m of climbing and 5,430 m of descent. A detailed profile isn’t available for this race yet.

Race-day weather

At start

9°C

Peak during race

9°C

Humidity

77%

Chance of rain

21%

Wind

23 km/h

Race day in past years

Historical averages for 22 January ±3 days, 2016–2025, from 13:00 for 5 hours (70 days sampled). Source: Open-Meteo / ERA5.

What time could you run here?Adjust your goal time for this course’s hills and typical race-day weather.Race time calculator →

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<a href="https://irun42.com/race/arc-of-attrition-100m" title="Arc of Attrition 100 on iRun42"><img src="https://irun42.com/badge/arc-of-attrition-100m.svg" width="300" height="120" alt="Arc of Attrition 100: course, elevation and race-day weather on iRun42" /></a>